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SHAREHOLDERS' EQUITY (Stock Option Plans TAT Technology) (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |
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Jun. 30, 2012 | Jun. 28, 2012 ₪ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2019 ₪ / shares | Sep. 26, 2019 $ / shares shares | Sep. 22, 2019 $ / shares shares | Aug. 29, 2019 $ / shares shares | Dec. 31, 2018 ₪ / shares | Nov. 22, 2018 $ / shares shares | May 13, 2018 $ / shares shares | Feb. 28, 2018 $ / shares shares | Feb. 06, 2018 $ / shares shares | Oct. 30, 2017 $ / shares shares | Aug. 10, 2017 $ / shares shares | Mar. 06, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value per share | ₪ / shares |  |  |  |  |  | ₪ 0.9 |  |  |  | ₪ 0.9 |  |  |  |  |  |  |
Number of options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options, beginning |  |  | 548,267 | 365,000 | 330,000 |  |  |  |  |  |  |  |  |  |  |  |
Options, Granted |  |  | 170,000 | 273,893 | 75,000 |  |  |  |  |  |  |  |  |  |  |  |
Options, Forfeited |  |  | (126,808) | (63,958) | (20,417) |  |  |  |  |  |  |  |  |  |  |  |
Options, Exercised |  |  |  | (26,668) | (19,583) |  |  |  |  |  |  |  |  |  |  |  |
Options, ending |  |  | 591,459 | 548,267 | 365,000 |  |  |  |  |  |  |  |  |  |  |  |
Exercisable at end of year |  |  | 264,389 | 163,438 | 120,417 |  |  |  |  |  |  |  |  |  |  |  |
Weighted average exercise price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options, beginning | $ / shares |  |  | $ 9.03 | $ 8.53 | $ 7.97 |  |  |  |  |  |  |  |  |  |  |  |
Options, Granted | $ / shares |  |  | 5.44 | 9.70 | 10.39 |  |  |  |  |  |  |  |  |  |  |  |
Options, Forfeited | $ / shares |  |  | 11.19 | 9.85 | 7.47 |  |  |  |  |  |  |  |  |  |  |  |
Options, Exercised | $ / shares |  |  |  | 7.15 | 7.3 |  |  |  |  |  |  |  |  |  |  |  |
Options, ending | $ / shares |  |  | 7.53 | 9.03 | 8.53 |  |  |  |  |  |  |  |  |  |  |  |
Exercisable at end of year | $ / shares |  |  | 7.74 | 8.34 | 7.95 |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average grant-date fair value of options granted | $ / shares |  |  | $ 1.35 | $ 1.83 | $ 1.74 |  |  |  |  |  |  |  |  |  |  |  |
2012 Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for the plan |  | 380,000 |  |  |  |  | 50,000 | 50,000 | 70,000 |  | 70,000 | 70,000 | 50,000 | 3,893 | 80,000 | 45,000 | 30,000
Vesting period for plan | 3 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value per share | ₪ / shares |  | ₪ 0.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price | $ / shares |  |  |  |  |  |  | $ 5.26 | $ 5.32 | $ 5.65 |  | $ 7.35 | $ 9.12 | $ 10.74 | $ 11.11 | $ 11.54 | $ 11.39 | $ 8.9
Dividend yield |  |  | 0.00% |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
Weighted average exercise price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate intrinsic value | $ |  |  | $ 0 | $ 737 | $ 332 |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation cost related to non-vested stock options | $ |  |  | $ 230 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation weighted average period of recognition, years |  |  | 1 year 29 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period in which equity exceeds threshold | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Plan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for the plan |  | 300,000 |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Expected stock price volatility |  |  | 34.20% | 32.60% | 33.30% |  |  |  |  |  |  |  |  |  |  |  |
Expected option life (in years) |  |  | 3 years 6 months | 3 years 6 months | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Risk free interest rate |  |  | 1.44% | 1.71% | 1.49% |  |  |  |  |  |  |  |  |  |  |  |
Dividend yield |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Plan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized for the plan |  | 680,000 |  | 980,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Expected stock price volatility |  |  | 36.80% | 40.80% | 40.50% |  |  |  |  |  |  |  |  |  |  |  |
Expected option life (in years) |  |  | 5 years | 5 years 6 months | 5 years 6 months |  |  |  |  |  |  |  |  |  |  |  |
Risk free interest rate |  |  | 1.63% | 2.87% | 1.81% |  |  |  |  |  |  |  |  |  |  |  |
Dividend yield |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Plan [Member] | Vest upon the lapse of 12 months [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 Plan [Member] | Vest on a quarterly basis [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period for plan |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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